On Tue, Jan 03, 2017 at 10:27:22AM -0800, Andy Lutomirski wrote: > On Tue, Jan 3, 2017 at 8:04 AM, Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> wrote: > > And what about stack? I'm not sure that everybody would be happy with > > stack in the middle of address space. > > I would, personally. I think that, for very large address spaces, we > should allocate a large block of stack and get rid of the "stack grows > down forever" legacy idea. Then we would never need to worry about > the stack eventually hitting some other allocation. And 2^57 bytes is > hilariously large for a default stack. The stack in the middle of address space can prevent creating other huuuge contiguous mapping. Databases may want this. -- Kirill A. Shutemov -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>